Drapers' Company Research Memoirs — (cont.). 
Questions of the Day and of the Fray. 
IV. 
II. 
III. 
IX. 
II. 
III. 
IV. 
V. 
VI. 
VII. 
VIII. 
IX. 
The Influence of Parental Alcoholism 
on the Physique and Ability of the Off- 
spring. A Reply to the Cambridge Econo- 
mists. By Karl Pearson, F.R.S. Price 
Is. net. 
Mental Defect, Mal-Nutrition, and 
the Teacher's Appreciation of Intelligence. 
A Reply to Criticisms of the Memoir on 
'The Influence of Defective Phj'sique and 
Unfavourable Home Environment on the 
Intelligence of School Children.' By David 
Heron, D.Sc. Price Is. net. 
An Attempt to correct some of the 
Misstatements made by Sir Victor Hors- 
LEY, F.R.S., F.R.C.S., and Mary D. Sturge, 
M.D., in their Criticisms of the Memoir : 
'A First Study of the Influence of Parental 
Alcoholism,' &c. By Karl Pearson, F.R.S. 
Price \s. net. 
The Fight against Tuberculosis and 
the Death-rate from Phthisis. By Karl 
Pearson, F.R.S. Price Is. net. 
V. Social Problems : Their Treatment,^ 
Past, Present and Future. By Karl 
Pearson, F.R.S. Price Is. net. 
VI. Eugenics and Public Health. Lecture 
to the York Congress of the Royal Sanitary 
Institute. By Karl Pearson, F.R.S. Price 
Is. net. 
VII. Mendelismandthe Problem of Mental 
Defect. I. A Criticism of Recent American 
Work. By David Heron, D.Sc. (Double 
Number.) Price 2s. net. 
VIII. Mendelism and the Problem of Mental 
Defect. II. The Continuity of Mental 
Defect. By Karl Pearson, F.R.S., and 
GustavA. jAEDERHOLM,Ph.D. Pricels.net. 
Mendelism and the Problem of Mental Defect. III. On the Graduated Character of 
Mental Defect, and on the need for standardizing Judgments as to the Grade of Social Inefficiency 
which shall involve Segregation. By Karl Pearson, F.R.S. (Double Number.) Price 2s. net. 
Eugenics Laboratory Publications 
MEMOIR SERIES. 
The Inheritance of Ability. By Edgar 
Schuster, D.Sc, Formerly Galton Research 
Fellow, and Ethel M. Elderton, Galton 
Scholar. Price 4s. net. 
A First Study of the Statistics of 
Insanity and the Inheritance of the Insane 
Diathesis. By David Heron, D.Sc, Form- 
erly Galton Research Fellow. Price 3s. net. 
The Promise of Youth and the 
Performance of Manhood. By Edgar 
Schuster, D.Sc, Formerly Galton Research 
Fellow. Price 2s. 6d. net. 
On the Measure of the Resemblance 
of First Cousins. By Ethel M. Elderton, 
Galton Research Fellow, assisted by Karl 
Pearson, F.R.S. Price 3s. 6d. net. 
A First Study of the Inheritance of 
Vision and of the Relative Influence of 
Heredity and Environment on Sight. By 
Amy Barrington and Karl Pearson, 
F.R.S. Price 4s. net. 
Treasury of Human Inheritance 
( Pedigrees of physical, psychical, and patho- 
logical Characters in Man). Parts I and II 
(double part). (Diabetes insipidus, Split- 
]?'oot, Polydactylism , Brachydactylism, 
Tuberculosis, Deaf - Mutism, and Legal 
Ability.) Price 14s. net. 
The Influence of Parental Occupation 
and Home Conditions on the Physique of 
the Ofi'spriug. By Ethel M. Elderton, 
Galton Research Fellow. Shortly. 
The Influence of Unfavourable Home 
Environment and Defective Physique on 
the Intelligence of School Children. By 
David Heron, M. A., D.Sc, Formerly Galton 
Research Fellow. Price As. net. Sold only 
with complete sets. 
The Treasury of Human Inheritance 
(Pedigrees of physical, psychical, and patho- 
logical Characters in Man). Part III. 
(Angioneurotic Oedema, Hermaphroditism, 
Deaf-Mutism, Insanity, Commercial Abili- 
tj'.) Price 6s. net. 
X. Thelnfluenceof Parental Alcoholism 
on the Physique and Intelligence of the 
Offspring. By Ethel M. Elderton, as- 
sisted by Karl Pearson. Second Edition. 
Price -is. net. 
XI. The Treasury of Human Inheritance 
(Pedigrees of physical, psychical, and patho- 
logical Characters in Man). Part IV. 
(Cleft Palate, Hare-Lip, Deaf-Mutism, and 
Congenital Cataract.) Price 10s. net. 
XII. The Treasury of Hiiman Inheritance 
(Pedigrees of [)hysical, psychical, and patho- 
logical Characters in Man). Parts V and 
VI. (Haemophilia.) Price 15s. 7iet. 
XIII. A Second Study of the Influence of 
Parental Alcoholism on the Physique and 
Intelligence of the Offspring. By Karl 
Pearson, F.R.S., and Ethel M. Elderton. 
Price 4s. net. 
XIV. A Preliminary Study of Extreme 
Alcoholism in Adults. By Amy Barring- 
ton and Karl Pearson, F.R.S., assisted 
by David Heron, D.Sc. Price 4s. net. 
XV. The Treasury of Human Inheritance. 
Dwarfism, with 49 Plates of Illustrations 
and 8 Plates of Pedigrees. Price 15s. net. 
XVI. The Treasury of Human Inheritance. 
Prefatory matter and indices to Vol. L 
With Frontispiece Portraits of Sir Francis 
Galton and Ancestry. Price 3s. net. 
XVII. A Second Study of Extreme Alco- 
holism in Adults. With special reference 
to the Home-Office Inebriate Reformatory 
data. By David Heron, D.Sc. Price5s.net. 
XVIII. On the Correlation of Fertility with 
Social Value. A Cooperative Study. 
Price 6s. net. 
XIX— XX. Report on the English Birthrate. 
Part I. England, North of the Humber. 
By Ethel M. Elderton, Galton Research 
Fellow. P7-ice 9s. net. 
ahov 
Vol. I of The Treasury of Human Inheritance (VI -I- IX -1- XI -H XII -f XV -t- XVI of the 
,'e memoirs) may now be olitained bound in bucki-am, price 52s. Qd. net. Buckram cases for 
